乘法：0.1*0.1=1.2*2.3=1.3*2.4=1.1*2.2=0.1*0.2=2.3*3.4=2.4*3.5=2.2*3.3=0.1*0.3=3.4*4.5=3.5*4.6=3.3*4.4=0.1*0.4=4.5*5.6=4.6*5.7=4.4*5.5=0.1*0.5=5.6*6.7=5.7*6.8=5.5*6.6=0.1*0.6=6.7*7.8=6.8*7.9=6.6*7.7=0.1*0.7=7.8*8.9=1.3*1.2=7.7*8.8=0.1*0.8=1.2*3.4=1.5*1.6=8.8*9.9=0.1*0.9=1.2*8.9=1.5*1.7=1.4*1.6=0.1*1=1.4*7.8=5.8*1.7=2.2*6.6=除法：1÷0.1=1.2÷2=2.3÷2=2.8÷4=2÷0.2=1.3÷2=3.4÷2=5.4÷6=3÷0.3=1.4÷2=4.5÷2=7.2÷8=4÷0.4=1.5÷2=5.6÷2=8.1÷9=5÷0.5=1.6÷2=6.7÷2=2.1÷7=6÷0.6=1.7÷2=7.8÷2=6.4÷8=7÷0.7=1.8÷2=8.9÷2=3.3÷3=8÷0.8=1.9÷2=4.5÷5=6.3÷9=9÷0.9=1.4÷7=2.4÷6=4.4÷4=0.1÷2=1.9÷8=3.6÷4=1.21÷2=